C96.29
Billable codeOther malignant mast cell neoplasm
The ICD-10 code for other malignant mast cell neoplasm is C96.29.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C96.20Malignant mast cell neoplasm, unspecified
- C96.21Aggressive systemic mastocytosis
- C96.22Mast cell sarcoma
- C96.29Other malignant mast cell neoplasm
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 20260Approximate match
- 20261Approximate match
- 20262Approximate match
- 20263Approximate match
- 20264Approximate match
- 20265Approximate match
- 20266Approximate match
- 20267Approximate match
- 20268Approximate match
Associated MS-DRGs
C96.29 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
- DRG 012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
- DRG 013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
- DRG 814Reticuloendothelial and Immunity Disorders with MCC
- DRG 815Reticuloendothelial and Immunity Disorders with CC
- DRG 816Reticuloendothelial and Immunity Disorders without CC/MCC
- DRG 820Lymphoma and Leukemia with Major O.R. Procedures with MCC
- DRG 821Lymphoma and Leukemia with Major O.R. Procedures with CC
- DRG 822Lymphoma and Leukemia with Major O.R. Procedures without CC/MCC
- DRG 823Lymphoma and Non-Acute Leukemia with Other Procedures with MCC
- DRG 824Lymphoma and Non-Acute Leukemia with Other Procedures with CC
- DRG 825Lymphoma and Non-Acute Leukemia with Other Procedures without CC/MCC
- DRG 840Lymphoma and Non-Acute Leukemia with MCC
- DRG 841Lymphoma and Non-Acute Leukemia with CC
- DRG 842Lymphoma and Non-Acute Leukemia without CC/MCC